2020 Silverado HD & Sierra HD Troubleshooting

21 topics in this forum

1. Highway speed vibration on 2020?

   By Ckhris, yesterday at 01:36 AM
   • 5 replies
   • 69 views
   • 
   • BB&Chiveon
   • 3 hours ago

3. Any 2020 models pulling left?

   By KC Desert, Friday at 01:36 PM
   • 7 replies
   • 157 views
   • 
   • KC Desert
   • 6 hours ago

4. Service Steering Column Lock

   By Tville, October 2   

   • 2020hd
   • l5p duramax
   • (and 1 more)

     Tagged with:

     • 2020hd
     • l5p duramax
     • denali HD
   • 7 replies
   • 245 views
   • 
   • Tville
   • Yesterday at 02:20 AM

5. low engine temperature?

   By bass mechanic, Friday at 04:32 AM
   • 4 replies
   • 122 views
   • 
   • powerhaulic
   • Yesterday at 02:04 AM

6. Intermittent locked in park. 1 2

   By dlockwood26, September 26
   • 15 replies
   • 328 views
   • 
   • redwngr
   • Sunday at 04:39 AM

7. Check engine light 1 2 3

   By bharris515, August 11
   • 30 replies
   • 2,061 views
   • 
   • redwngr
   • Saturday at 09:24 PM

8. 2020 2500 & 3500HD Coolant Bypass Line Leak

   By blk04sr, Friday at 07:10 PM
   • 0 replies
   • 55 views
   • 
   • blk04sr
   • Friday at 07:10 PM

9. 2020 GMC Sierra 2500HD Error Code P20EE

   By slimjim7772, September 24
   • 12 replies
   • 602 views
   • 
   • DVohs3
   • Thursday at 02:37 PM

10. Condensation in camera

    By Irish80, September 24
    • 10 replies
    • 278 views
    • 
    • jj46
    • October 8

11. Side detection temporarily unavailable

    By Irish80, October 8
    • 0 replies
    • 85 views
    • 
    • Irish80
    • October 8

12. Receiving text messages

    By The Bopper, September 5
    • 5 replies
    • 408 views
    • 
    • SkidooSteve12
    • October 7

13. Trailer lights

    By Jordan94, August 24   

    • Towing
    • lights
    • (and 2 more)

      Tagged with:

      • Towing
      • lights
      • 2020hd
      • 6.6L Duramax
    • 14 replies
    • 739 views
    • 
    • jprash78
    • October 7

14. TPMS lost a sensor then it magically came back miles later...

    By KC Desert, October 6
    • 2 replies
    • 100 views
    • 
    • KC Desert
    • October 6

15. Dome lights staying on

    By Ernest Grigsby, October 2
    • 1 reply
    • 132 views
    • 
    • silveradosid
    • October 2

16. Tailgate switch operation?

    By Irish80, September 5
    • 9 replies
    • 543 views
    • 
    • ApertureX
    • September 26

17. Blowig 15A park lamp RT fuse

    By jl449, September 22
    • 5 replies
    • 198 views
    • 
    • silveradosid
    • September 24

18. If you are in camera view, is there a way to get out of it

    By Sunshine39, September 11
    • 8 replies
    • 372 views
    • 
    • sdelam
    • September 21

19. Looks like I have similar problem with iPhone and the navigation system that the 1/2 tons have.

    By Sunshine39, August 9
    • 5 replies
    • 572 views
    • 
    • Mike Schulz
    • September 12

20. Park assist in 2020

    By The Bopper, September 5
    • 3 replies
    • 405 views
    • 
    • SkidooSteve12
    • September 11

21. Limited availability of 2020 ProGrade Trailering System

    By Say When, September 8
    • 8 replies
    • 657 views
    • 
    • redwngr
    • September 10

22. Sunglass holder

    By The Bopper, September 5
    • 9 replies
    • 459 views
    • 
    • ApertureX
    • September 9